From 93a38538dd372e95d64150262c0d6b13532972d5 Mon Sep 17 00:00:00 2001
From: Vladislav Navrocky <navrocky.vlad@gmail.com>
Date: Wed, 12 Feb 2025 01:04:24 +0300
Subject: [PATCH] Release v1.4.0

---
 CHANGELOG.md                 | 20 ++++++++---
 README.md                    |  2 +-
 cli/main.cpp                 |  2 +-
 update_changelog_from_git.sh | 68 ++++++++++++++++++++++++++++++++++++
 4 files changed, 85 insertions(+), 7 deletions(-)
 create mode 100755 update_changelog_from_git.sh

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7aeb8dd..e9be9cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,18 @@
-# 1.3.0 (2025.02.04)
+# 1.4.0 (2025-02-12)
 
-* Add function to convert bool string variable to bool (varToBool)
-* Remove Mstch engine
+- Add command line parameters to read and write file instead of stdin/stdout
+- Add pipe syntax for function calling
+- Add base64 encode and decode functions
+- Add toJson and fromJson functions
+- Add shell function
+- Add trim function
+- Add toBool function
 
-# 1.2.0 (2025.01.23)
+# 1.3.0 (2025-02-04)
 
-* Add Inja engine
+- Add function to convert bool string variable to bool (varToBool)
+- Remove Mstch engine
+
+# 1.2.0 (2025-01-23)
+
+- Add Inja engine
diff --git a/README.md b/README.md
index 7b08ccf..ecfe4e1 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Download and copy binary to any destination specified in `PATH` (~/bin, /usr/loc
 Do not forget to set execution flag on binary with `chmod`.
 
 ```sh
-sudo curl https://github.com/navrocky/muenvsubst/releases/download/1.3.0/muenvsubst -Lo /usr/local/bin/muenvsubst
+sudo curl https://github.com/navrocky/muenvsubst/releases/download/1.4.0/muenvsubst -Lo /usr/local/bin/muenvsubst
 sudo chmod +x /usr/local/bin/muenvsubst
 ```
 
diff --git a/cli/main.cpp b/cli/main.cpp
index eceba75..15367f9 100644
--- a/cli/main.cpp
+++ b/cli/main.cpp
@@ -7,7 +7,7 @@ using namespace std;
 using namespace std::placeholders;
 using namespace Args;
 
-const char* APP_VERSION = "1.3.0";
+const char* APP_VERSION = "1.4.0";
 
 int main(int argc, char** argv, char** envp)
 {
diff --git a/update_changelog_from_git.sh b/update_changelog_from_git.sh
new file mode 100755
index 0000000..7761dfc
--- /dev/null
+++ b/update_changelog_from_git.sh
@@ -0,0 +1,68 @@
+#!/bin/bash
+
+set -e
+
+CHANGELOG="CHANGELOG.md"
+
+getLastTagFromChangeLog() {
+  grep -oE "([0-9X]+\.){2}[0-9X]" <"$1" | head -n1
+}
+
+printNewRelease() {
+  LAST_VERSION="$1"
+
+  echo "# X.X.X ($(date +%Y-%m-%d))"
+  echo
+
+  if [ -z "${LAST_VERSION}" ]; then
+    COMMITS="HEAD"
+  else
+    COMMITS="${LAST_VERSION}..HEAD"
+  fi
+  GIT_LOG_COMMAND="git log --format=%s ${COMMITS}"
+  $GIT_LOG_COMMAND | while IFS=$'\n' read -r LINE; do
+    echo "- $LINE"
+  done
+
+  echo
+}
+
+generateChangeLog() {
+  printNewRelease >>${CHANGELOG}
+
+  echo "The initial ${CHANGELOG} generated"
+}
+
+updateChangeLog() {
+  LAST_VERSION="$1"
+
+  if [ "${LAST_VERSION}" == "X.X.X" ]; then
+    echo "The ${CHANGELOG} already contains raw git log"
+    exit 1
+  fi
+
+  TMP_CHANGELOG="${CHANGELOG}.tmp"
+  [ -f "${TMP_CHANGELOG}" ] && rm ${TMP_CHANGELOG}
+
+  # copy original change log and insert new release
+  cat ${CHANGELOG} | while IFS=$'\n' read -r LINE; do
+    if [[ "${LINE}" == *"${LAST_VERSION}"* ]]; then
+      printNewRelease "${LAST_VERSION}" >>${TMP_CHANGELOG}
+    fi
+    echo "${LINE}" >>${TMP_CHANGELOG}
+  done
+
+  mv ${TMP_CHANGELOG} ${CHANGELOG}
+
+  echo "The ${CHANGELOG} updated with a recent commits after the tag ${LAST_VERSION}"
+}
+
+if [ -f "${CHANGELOG}" ]; then
+  LAST_VERSION=$(getLastTagFromChangeLog ${CHANGELOG})
+fi
+
+if [ -z "${LAST_VERSION}" ]; then
+  generateChangeLog
+else
+  updateChangeLog "${LAST_VERSION}"
+fi